Since two-stroke engines are more polluting, they were banned for most street motorcycles. Still, they are used on lighter applications such as lawnmowers, generators, or go-karts.

And because they work differently, two-stroke and four-stroke engines use different oils, with the low-viscosity two-stroke oil being the more expensive. With Great Power Comes Great Responsibility.

While six-stroke engines tend to be more complex, they offer potential advantages such as increased thermal efficiency (45-50 percent, compared to 30 percent for typical four-stroke engines) and ...

The latest addition to its four-stroke engine ... MAN Energy Solutions plans to introduce a pure diesel engine based on the 49/60 platform in 2023 that will inherently be retrofit-ready for ...

MAN PrimeServ plans to convert the first four-stroke engines for a pilot customer in autumn 2025, at which stage the package will be made available to the general market.

Bunkerspot provides news, in-depth analysis, expert comment and price indications for the global marine fuels industry ...

Researchers aim to meld the best attributes of both the power-dense two-stroke and the vastly cleaner four-stroke engines. Frank Markus Writer Alan Muir Illustrator Dec 20, 2024.

Displacing 175 cubic inches, Suzuki Marine’s new series of compact 200 hp outboards features inline four-cylinder blocks and boasts some cool features. I ran the new engines outside the Ocean Reef ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines.